冬枣苗木工厂化组织培养与快速繁殖技术研究

Science and Technology of Tianjin Agriculture and Forestry(2009)

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Abstract
以冬枣一年生半木质化嫩枝,剪取带有芽6~8cm长的茎段为外植体,进行茎段芽诱导、试管苗继代培养增殖、诱导生根等培养基筛选试验的技术研究。结果表明:茎段芽诱导以MS附加较高浓度的生长素IAA0.5mg/L+NAA(l.0~1.5)mg/L;增殖培养基以MS+NAA0.1+BA(2~4)mg/L;诱导生根培养基以1/2MS+IBA0.6mg/L+NAA0.15mg/L+蔗糖20g/L+琼脂6g/L为最佳培养基。结合技术应用,总结出冬枣组培快繁生产技术管理程序,使继代培养增殖倍数达到3.6~4.2,诱导生根率达到93%,移栽成活率达到92.4%,入圃苗成活率达到100%。
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